<!DOCTYPE html>
<html>
<head>
	<title>Canvas</title>
</head>
<body>

	<canvas id="canvas" width="200" height="200" style="border: 1px solid #ccc;">
		当前浏览器不支持HTML5 canvas标签
	</canvas>

	<script type="text/javascript">
		
		window.onload = function () {

			// var c = document.getElementById("canvas");

			// var ctx = c.getContext("2d");

			// ctx.fillStyle = "red";

			// ctx.fillRect(0, 0, 150, 75)

		}

	</script>
</body>
</html>